Model based Controller Design for Conical Tank System

The control of liquid level is mandatory in process industries. But the control of nonlinear process is complex. Many process industries use conical tanks because of its non linear shape which contributes better drainage for solid mixtures, slurries and viscous liquids. So, level control of conical...

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Bibliographic Details
Published in:International journal of computer applications 2014-01, Vol.85 (12), p.8-11
Main Authors: Vijula, D Angeline, Vivetha, K, Gandhimathi, K, Praveena, T
Format: Article
Language:English
Subjects:
Computer simulation
Control systems
Design engineering
Mathematical models
Matlab
Nonlinearity
Robustness
Tanks
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Summary:The control of liquid level is mandatory in process industries. But the control of nonlinear process is complex. Many process industries use conical tanks because of its non linear shape which contributes better drainage for solid mixtures, slurries and viscous liquids. So, level control of conical tank presents a challenging task due to its non-linearity and constantly changing cross-section. The main objective is to implement the suitable controller design for conical tank system to maintain the desired level. In this paper it is proposed to obtain the mathematical modelling of a conical tank system and to design model based controller (Internal Model Control) for controlling the level in it. The controller will be simulated using MATLAB SIMULINK. By using the advanced control scheme it is expected to have better closed loop performance and robustness when compared to PID controller.
ISSN:0975-8887
0975-8887
DOI:10.5120/14891-3358